3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(preg_match('//u', "\xef\xbf\xbf")); var_dump(preg_match('//u', "\xf4\x8f\xbf\xbf"));

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.3.60.0070.01018.43
8.3.50.0120.00721.09
8.3.40.0090.00618.77
8.3.30.0120.00318.96
8.3.20.0100.00720.36
8.3.10.0080.00022.10
8.3.00.0080.00822.14
8.2.180.0150.00316.63
8.2.170.0200.00322.96
8.2.160.0030.01020.25
8.2.150.0080.00024.18
8.2.140.0110.00724.66
8.2.130.0140.00326.16
8.2.120.0050.00319.67
8.2.110.0090.00022.34
8.2.100.0070.00417.72
8.2.90.0080.00018.92
8.2.80.0000.00719.40
8.2.70.0040.00417.63
8.2.60.0000.00817.80
8.2.50.0000.00918.07
8.2.40.0040.00418.16
8.2.30.0020.00517.91
8.2.20.0000.00717.61
8.2.10.0000.00717.69
8.2.00.0040.00417.86
8.1.280.0100.00325.92
8.1.270.0110.00720.45
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0040.00423.98
8.1.230.0110.00019.10
8.1.220.0080.00017.74
8.1.210.0000.00818.77
8.1.200.0030.00617.23
8.1.190.0030.00617.28
8.1.180.0040.00419.01
8.1.170.0040.00418.58
8.1.160.0040.00422.19
8.1.150.0000.00718.50
8.1.140.0000.00717.48
8.1.130.0050.00217.65
8.1.120.0040.00417.39
8.1.110.0040.00417.50
8.1.100.0040.00417.36
8.1.90.0070.00017.46
8.1.80.0040.00417.46
8.1.70.0070.00017.48
8.1.60.0080.00017.62
8.1.50.0000.00717.42
8.1.40.0050.00317.57
8.1.30.0040.00417.66
8.1.20.0040.00417.65
8.1.10.0030.00617.52
8.1.00.0030.00917.52
8.0.300.0000.00718.77
8.0.290.0000.00717.05
8.0.280.0000.00718.31
8.0.270.0070.00017.11
8.0.260.0070.00016.90
8.0.250.0040.00416.93
8.0.240.0000.00816.92
8.0.230.0050.00217.02
8.0.220.0030.00316.92
8.0.210.0030.00316.86
8.0.200.0060.00016.93
8.0.190.0000.00717.06
8.0.180.0000.00817.05
8.0.170.0040.00416.86
8.0.160.0040.00417.02
8.0.150.0040.00417.03
8.0.140.0030.00516.93
8.0.130.0050.00013.45
8.0.120.0040.00416.77
8.0.110.0030.00516.93
8.0.100.0080.00016.96
8.0.90.0000.00716.98
8.0.80.0120.00316.89
8.0.70.0050.00317.05
8.0.60.0070.00016.95
8.0.50.0040.00416.84
8.0.30.0090.01216.95
8.0.20.0120.00617.40
8.0.10.0000.00716.91
8.0.00.0140.00516.78
7.4.330.0000.00515.00
7.4.320.0060.00016.47
7.4.300.0000.00616.48
7.4.290.0040.00416.68
7.4.280.0050.00316.69
7.4.270.0070.00016.58
7.4.260.0000.01016.68
7.4.250.0000.00716.51
7.4.240.0000.00716.59
7.4.230.0040.00416.48
7.4.220.0130.01016.83
7.4.210.0060.00816.68
7.4.200.0000.00716.63
7.4.190.0040.00416.60
7.4.160.0030.01416.67
7.4.150.0030.01517.40
7.4.140.0120.00917.86
7.4.130.0080.00916.57
7.4.120.0150.00316.57
7.4.110.0060.01216.46
7.4.100.0090.01216.56
7.4.90.0090.00916.82
7.4.80.0150.00319.39
7.4.70.0060.00916.51
7.4.60.0100.00716.66
7.4.50.0000.00616.38
7.4.40.0070.00522.77
7.4.30.0060.01016.44
7.4.00.0090.00615.05
7.3.330.0060.00013.16
7.3.320.0020.00213.12
7.3.310.0040.00416.40
7.3.300.0000.00716.39
7.3.290.0120.00916.25
7.3.280.0090.00816.41
7.3.270.0240.00017.40
7.3.260.0120.01216.55
7.3.250.0050.01316.23
7.3.240.0120.00616.60
7.3.230.0100.01016.39
7.3.210.0110.00716.31
7.3.200.0070.01019.39
7.3.190.0070.01316.32
7.3.180.0040.01216.29
7.3.170.0100.00716.27
7.3.160.0080.00916.30
7.3.120.0070.00914.97
7.3.110.0040.01514.77
7.3.100.0090.00314.46
7.3.90.0040.01214.47
7.3.80.0000.00914.95
7.3.70.0050.00515.05
7.3.60.0030.00614.64
7.3.50.0070.00714.88
7.3.40.0040.00714.62
7.3.30.0030.00914.80
7.3.20.0120.00016.41
7.3.10.0070.00516.70
7.3.00.0050.00716.70
7.2.330.0120.00616.72
7.2.320.0130.00616.48
7.2.310.0120.00616.51
7.2.300.0070.01016.71
7.2.290.0120.00616.54
7.2.250.0110.00714.86
7.2.240.0100.00614.98
7.2.230.0110.00314.95
7.2.220.0070.00414.84
7.2.210.0030.01215.06
7.2.200.0040.01114.76
7.2.190.0030.00615.14
7.2.180.0070.00314.65
7.2.170.0070.00714.97
7.2.130.0040.01116.96
7.2.120.0130.00316.98
7.2.110.0070.00316.89
7.2.100.0040.01116.70
7.2.90.0000.01317.16
7.2.80.0100.00616.70
7.2.70.0040.01016.68
7.2.60.0130.00816.75
7.2.50.0040.00816.74
7.2.40.0060.00616.98
7.2.30.0060.01016.95
7.2.20.0030.01016.85
7.2.10.0030.01016.86
7.2.00.0060.00816.57
7.1.330.0040.00815.95
7.1.320.0000.00915.96
7.1.310.0040.00716.06
7.1.300.0080.00315.72
7.1.290.0130.00015.80
7.1.280.0030.00615.45
7.1.270.0070.01015.90
7.1.260.0030.01016.01
7.1.250.0040.00815.69
7.1.200.0090.00315.82
7.1.70.0080.00017.36
7.1.60.0070.01719.50
7.1.50.0070.01416.94
7.1.00.0030.03322.55
7.0.200.0070.00716.61
7.0.140.0070.07321.95
7.0.60.0130.08020.01
7.0.50.0030.05017.80
7.0.40.0130.05019.92
7.0.30.0200.04320.35
7.0.20.0200.09020.03
7.0.10.0170.04720.19
7.0.00.0070.07020.01
5.6.280.0070.09021.12
5.6.210.0100.07720.56
5.6.200.0100.07318.19
5.6.190.0130.06020.60
5.6.180.3570.03720.35
5.6.170.0330.07720.45
5.6.160.0000.07320.42
5.6.150.0100.06318.15
5.6.140.0030.05018.09
5.6.130.0000.05018.11
5.6.120.0070.08320.96
5.6.110.0030.05320.99
5.6.100.0070.05020.97
5.6.90.0130.07320.99
5.6.80.0070.06020.48
5.6.70.0270.06020.36
5.5.350.0200.07320.39
5.5.340.0070.03717.98
5.5.330.0030.04320.38
5.5.320.0300.05720.18
5.5.310.0200.05320.17
5.5.300.0100.05017.97
5.5.290.0130.08317.97
5.5.280.0030.04020.79
5.5.270.0000.07320.73
5.5.260.0100.07320.75
5.5.250.0030.04020.78
5.5.240.0170.06720.34
5.4.450.0800.05319.58
5.4.440.0730.05319.13
5.4.430.0770.06019.47
5.4.420.0830.06019.47
5.4.410.0970.04719.51
5.4.400.1070.05318.68
5.4.390.1300.05318.70
5.4.380.0330.04718.52
5.4.370.0130.05318.58
5.4.360.0300.03318.50
5.4.350.0030.03911.97
5.4.340.0090.04411.96
5.4.320.0070.04512.45
5.4.310.0040.04112.45
5.4.300.0070.04112.45
5.4.290.0070.04212.45
5.4.280.0080.04212.35
5.4.270.0060.04412.34
5.4.260.0100.03912.34
5.4.250.0170.06018.77
5.4.240.0270.05718.64
5.4.230.0130.06718.88
5.4.220.0070.07718.90
5.4.210.0100.05318.72
5.4.200.0100.05018.69
5.4.190.0030.05718.98
5.4.180.0170.06018.88
5.4.170.0100.05018.76
5.4.160.0100.06018.73
5.4.150.0100.05318.87
5.4.140.0100.05716.30
5.4.130.0070.05016.49
5.4.120.0030.08016.47
5.4.110.0170.04716.45
5.4.100.0070.05716.41
5.4.90.0070.05016.34
5.4.80.0100.05016.49
5.4.70.0100.05016.48
5.4.60.0130.04716.32
5.4.50.0130.04316.39
5.4.40.0100.04716.52
5.4.30.0100.05016.32
5.4.20.0130.04316.30
5.4.10.0030.07016.39
5.4.00.0170.05715.88
5.3.290.0110.03812.80
5.3.280.0130.05314.36
5.3.270.0100.05014.30
5.3.260.0130.05014.61
5.3.250.0030.08014.59
5.3.240.0130.04714.45
5.3.230.0100.05014.64
5.3.220.0100.07314.47
5.3.210.0130.05014.66
5.3.200.0200.05314.61
5.3.190.0130.04714.43
5.3.180.0170.04314.41
5.3.170.0030.05314.41
5.3.160.0030.05714.56
5.3.150.0070.07714.45
5.3.140.0170.05314.64
5.3.130.0170.05014.25
5.3.120.0070.05314.46
5.3.110.0070.07014.69
5.3.100.0030.05713.73
5.3.90.0100.05314.03
5.3.80.0070.05014.03
5.3.70.0130.05013.93
5.3.60.0130.06014.01
5.3.50.0130.05313.89
5.3.40.0130.04313.96
5.3.30.0000.07313.80
5.3.20.0100.04313.84
5.3.10.0100.04713.66
5.3.00.0070.05713.68
5.2.170.0070.06011.04
5.2.160.0100.03311.04
5.2.150.0000.06710.97
5.2.140.0030.04311.23
5.2.130.0100.05011.00
5.2.120.0070.04010.93
5.2.110.0030.04011.11
5.2.100.0170.04010.99
5.2.90.0030.04710.98
5.2.80.0030.04711.18
5.2.70.0070.04711.04
5.2.60.0030.04710.81
5.2.50.0030.04710.95
5.2.40.0000.06011.01
5.2.30.0100.03310.87
5.2.20.0070.03710.96
5.2.10.0100.03310.74
5.2.00.0070.05310.63
5.1.60.0030.04710.18
5.1.50.0070.03310.14
5.1.40.0100.0339.99
5.1.30.0070.04310.16
5.1.20.0130.03310.18
5.1.10.0130.02710.00
5.1.00.0070.03310.11
5.0.50.0070.0338.56
5.0.40.0030.0308.44
5.0.30.0030.0408.44
5.0.20.0070.0238.44
5.0.10.0000.0308.44
5.0.00.0100.0478.44
4.4.90.0000.0238.44
4.4.80.0000.0238.44
4.4.70.0030.0208.44
4.4.60.0070.0178.44
4.4.50.0030.0208.44
4.4.40.0000.0378.44
4.4.30.0130.0138.44
4.4.20.0000.0238.44
4.4.10.0100.0178.44
4.4.00.0030.0338.44
4.3.110.0030.0308.44
4.3.100.0030.0208.44
4.3.90.0030.0208.44
4.3.80.0030.0408.44
4.3.70.0070.0178.44
4.3.60.0130.0138.44
4.3.50.0000.0278.44
4.3.40.0070.0438.44
4.3.30.0000.0308.44
4.3.20.0000.0278.44
4.3.10.0030.0208.44
4.3.00.0130.0206.91

preferences:
43.57 ms | 401 KiB | 5 Q